iPadOS 13.4 (build 17E5233g) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2020-02-19T18:24:23Z. The update package is 805.18 MB. This is a delta (partial) update that requires 13.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7ee0f694b1afb7c79d7ee59ea9d7dd8bdb344cde.zip.